With Choco, you get cards and lands from your library while you attack with birds, so Battle Screech becomes your friend
It's also strong as a 4 for 1 in four color brews or even a 3 for 1 in the commonly played 3 colors
Captain Sisay can swap out of the less repeatable Time of Need so you can save some money without sacrificing consistency
Theres also a nice fit between Mikes text and the fact that we often refer to cards like this, huge bodies with no other synergies and abilities, as dumb beaters, so I could see the Gorehorn with a blank look on his face, at least when hes not giving the menacing one you see here
There have also been foil card production issues in the past with Magic cards, and some folks are already on edge with the price points of these decks
Sometimes, he was defensive and cautious (vigilance, lifelink)